TS2007FC_V01 datasheet(15/33 Pages) STMICROELECTRONICS

No de pièce	TS2007FC

Description	3 W, filter-free, class-D audio power amplifier with 6 or 12 dB fixed gain select

PDF	33 Pages

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Fabricant	STMICROELECTRONICS [STMicroelectronics]

Site Internet	http://www.st.com

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15 / 33 page

DocID14937 Rev 4

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TS2007FC

Electrical characteristics

3.2

Electrical characteristic curves

The graphs shown in this section use the following abbreviations:

•

RL+ 15 µH or 30 µH = pure resistor + very low series resistance inductor

•

Filter = LC output filter (1 µF+ 30 µH for 4

Ω and 0.5 µF+15 µH for 8 Ω)

All measurements are made with CS1 = 1 µF and CS2 = 100 nF (Figure 3), except for the

PSRR where CS1 is removed (Figure 4).

Figure 3. Test diagram for measurements

Figure 4. Test diagram for PSRR measurements

VCC

Cin

Cs1

TS2007FC

Cs2

100 nF

In+

In-

15 µH or 30 µH

LC Filter

Out+

Out-

1 µF

4 or 8

5th order

50 kHz

low-pass filter

Audio Measurement

Bandwith < 30 kHz

GND

VCC

Cin

TS2007FC

Cs2

100 nF

In+

In-

15 µH or 30 µH

LC Filter

Out+

Out-

4 or 8

5th order

50 kHz

low-pass filter

RMS Selective Measurement

Bandwith =1% of Fmeas

GND

1 µF

GND

5th order

50 kHz

low-pass filter

reference

20 Hz to 20 kHz

Vripple

Vcc

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